This USB power adapter is very attractive for use with a very wide variety of devices which need to charge from a USB port. It current rating is high and very good. There are not many USB chargers that are rated for 2100mA (or 2.1A) of current output. I have a lab electronic load testing equipment and tested it.It was a good surprise to see that it can hold the 5V / 2.1A current as stated on the label. When no load it outputs 5.2V as expected.Very Good.

I will start using it today and we will see how long it will last without failing.

Very comfortable and nice design.It can output the 2100mA as specified in the label.It would have been perfect if it had a working Red light indication on the charger I received.

Works as expected. Lot's of similar adapters do not deliver enough amps for the Raspberry Pi I am using it with, but this one does.I have also used it to charge my Samsung Galaxy S2 and my FirefoxOS phone and they are charged faster than with the charger that came with these devices.

It doesn't get hot at all!

Get one if you have a Raspberry Pi or if you need a charger for your phone or tablet. The micro usb connector fits most modern phones

This USB charger is an affordable price, as I said, were done with quality materials,

This USB charger is an affordable price, as I said, were done with quality materials, no rattling inside it, everything is solid, what is most important is doing everything right. The charger is for European markets, so you do not need the adapter. all in all, buy this product, and you'll make a mistake, you can only benefit. with the speed of delivery, which offers the DX, your problems with this product will be quickly resolved.

This Power Adapter is the absolute best one I own (and I own a lot...). First of all, you can hook up 4 devices that get charged simultaneously. That is great!And it has enough power! Many chargers take forever to charge an iPhone 4 because they don't have enough mA output. This one puts the full 500mA on each of the 4 ports! I can charge my wife's and my iPhones and iPads at the same time, quickly, without any problem.Also, it has 4 LEDs for each port. Once it changes color once a device is charging and once it is fully charged. So the charging status of all devices is easy to see with one glance.So: pros- charges iPhone 4s / iPad quickly- 4 ports, each with full power- 4 status LEDs

This is the (almost) perfect USB Adapter. I'm ordering one for every iPhone user I know.

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